EXP: Switch to meson for building package

meson.build

@@ -0,0 +1,10 @@
+project(
+  'reproject',
+  'c', 'cython',
+  version: '0.20.0.dev0',
+  meson_version: '>=1.3.0',
+)
+
+py = import('python').find_installation(pure: false)
+
+subdir('reproject')

pyproject.toml

@@ -1,3 +1,7 @@
+[build-system]
+build-backend = "mesonpy"
+requires = ["meson-python", "cython>=3.1", "numpy>=2"]
+
 [project]
 name = "reproject"
 authors = [
@@ -55,33 +59,6 @@ dev = [
     {include-group = "test"},
 ]
 
-[build-system]
-requires = ["setuptools",
-            "setuptools_scm",
-            "extension-helpers>=1.3,<2",
-            "numpy>=2",
-            "cython>=3.1"]
-build-backend = 'setuptools.build_meta'
-
-[tool.setuptools]
-zip-safe = false
-license-files = ["LICENSE"]
-include-package-data = false
-
-[tool.setuptools.packages]
-find = {namespaces = false}
-
-[tool.setuptools.package-data]
-"reproject.healpix.tests" = ["data/*"]
-"reproject.adaptive.tests" = ["reference/*"]
-"reproject.interpolation.tests" = ["reference/*"]
-"reproject.mosaicking.tests" = ["reference/*"]
-"reproject.spherical_intersect" = ["overlapArea.h", "reproject_slice_c.h", "mNaN.h"]
-"reproject.tests" = ["data/*"]
-
-[tool.extension-helpers]
-use_extension_helpers = "true"
-
 [tool.pytest.ini_options]
 minversion = "6"
 log_cli_level = "INFO"
@@ -148,9 +125,6 @@ exclude_lines = [
 [tool.flake8]
 max-line-length = "100"
 
-[tool.setuptools_scm]
-write_to = "reproject/version.py"
-
 [tool.cibuildwheel]
 skip = "cp36-* pp* *-musllinux* cp31?t-*"
 test-skip = "*-manylinux_aarch64"
@@ -203,6 +177,3 @@ lint.select = [
 
 [tool.ruff.lint.extend-per-file-ignores]
 "docs/conf.py" = ["F405"]  # Sphinx injects variables into namespace
-
-[tool.distutils.bdist_wheel]
-py-limited-api = "cp311"

reproject/__init__.py

@@ -3,8 +3,11 @@
 Astropy affiliated package for image reprojection (resampling).
 """
 
+from importlib.metadata import version
+
 from .adaptive import reproject_adaptive  # noqa
 from .healpix import reproject_from_healpix, reproject_to_healpix  # noqa
 from .interpolation import reproject_interp  # noqa
 from .spherical_intersect import reproject_exact  # noqa
-from .version import __version__  # noqa
+
+__version__ = version("reproject")

reproject/adaptive/meson.build

@@ -0,0 +1,16 @@
+py.install_sources(
+  '__init__.py',
+  'core.py',
+  'high_level.py',
+  subdir: 'reproject/adaptive',
+)
+
+py.extension_module(
+  'deforest',
+  'deforest.pyx',
+  dependencies: dependency('numpy'),
+  install: true,
+  subdir: 'reproject/adaptive',
+)
+
+subdir('tests')

reproject/adaptive/tests/meson.build

@@ -0,0 +1,13 @@
+py.install_sources(
+  '__init__.py',
+  'test_core.py',
+  subdir: 'reproject/adaptive/tests',
+)
+
+install_data(
+  'reference/test_reproject_adaptive_2d.fits',
+  'reference/test_reproject_adaptive_2d_rotated.fits',
+  'reference/test_reproject_adaptive_roundtrip.fits',
+  'reference/test_reproject_adaptive_uncentered_jacobian.fits',
+  install_dir: py.get_install_dir() / 'reproject/adaptive/tests/reference',
+)

reproject/healpix/meson.build

@@ -0,0 +1,9 @@
+py.install_sources(
+  '__init__.py',
+  'core.py',
+  'high_level.py',
+  'utils.py',
+  subdir: 'reproject/healpix',
+)
+
+subdir('tests')

reproject/healpix/tests/meson.build

@@ -0,0 +1,12 @@
+py.install_sources(
+  '__init__.py',
+  'test_healpix.py',
+  'test_utils.py',
+  subdir: 'reproject/healpix/tests',
+)
+
+install_data(
+  'data/bayestar.fits.gz',
+  'data/reference_result.fits',
+  install_dir: py.get_install_dir() / 'reproject/healpix/tests/data',
+)

reproject/hips/meson.build

@@ -0,0 +1,10 @@
+py.install_sources(
+  '__init__.py',
+  '_dask_array.py',
+  '_trim_utils.py',
+  'high_level.py',
+  'utils.py',
+  subdir: 'reproject/hips',
+)
+
+subdir('tests')

reproject/hips/tests/meson.build

@@ -0,0 +1,6 @@
+py.install_sources(
+  '__init__.py',
+  'test_dask_array.py',
+  'test_high_level.py',
+  subdir: 'reproject/hips/tests',
+)

reproject/interpolation/meson.build

@@ -0,0 +1,8 @@
+py.install_sources(
+  '__init__.py',
+  'core.py',
+  'high_level.py',
+  subdir: 'reproject/interpolation',
+)
+
+subdir('tests')

reproject/interpolation/tests/meson.build

@@ -0,0 +1,13 @@
+py.install_sources(
+  '__init__.py',
+  'test_core.py',
+  subdir: 'reproject/interpolation/tests',
+)
+
+install_data(
+  'reference/test_reproject_celestial_2d_gal2equ.fits',
+  'reference/test_reproject_celestial_3d_equ2gal.fits',
+  'reference/test_reproject_roundtrip.fits',
+  'reference/test_small_cutout.fits',
+  install_dir: py.get_install_dir() / 'reproject/interpolation/tests/reference',
+)

reproject/meson.build

@@ -0,0 +1,17 @@
+py.install_sources(
+  '__init__.py',
+  'array_utils.py',
+  'common.py',
+  'conftest.py',
+  'utils.py',
+  'wcs_utils.py',
+  subdir: 'reproject',
+)
+
+subdir('adaptive')
+subdir('healpix')
+subdir('hips')
+subdir('interpolation')
+subdir('mosaicking')
+subdir('spherical_intersect')
+subdir('tests')

reproject/mosaicking/meson.build

@@ -0,0 +1,10 @@
+py.install_sources(
+  '__init__.py',
+  'background.py',
+  'coadd.py',
+  'subset_array.py',
+  'wcs_helpers.py',
+  subdir: 'reproject/mosaicking',
+)
+
+subdir('tests')

reproject/mosaicking/tests/meson.build

@@ -0,0 +1,13 @@
+py.install_sources(
+  '__init__.py',
+  'test_background.py',
+  'test_coadd.py',
+  'test_subset_array.py',
+  'test_wcs_helpers.py',
+  subdir: 'reproject/mosaicking/tests',
+)
+
+install_data(
+  'reference/test_coadd_solar_map.fits',
+  install_dir: py.get_install_dir() / 'reproject/mosaicking/tests/reference',
+)

reproject/spherical_intersect/meson.build

@@ -0,0 +1,29 @@
+py.install_sources(
+  '__init__.py',
+  'core.py',
+  'high_level.py',
+  'overlap.py',
+  subdir: 'reproject/spherical_intersect',
+)
+
+# Install header files needed at runtime for potential rebuilds
+py.install_sources(
+  'mNaN.h',
+  'overlapArea.h',
+  'reproject_slice_c.h',
+  subdir: 'reproject/spherical_intersect',
+)
+
+py.extension_module(
+  '_overlap',
+  '_overlap.pyx',
+  'overlapArea.c',
+  'reproject_slice_c.c',
+  dependencies: dependency('numpy'),
+  include_directories: include_directories('.'),
+  c_args: ['-O2'],
+  install: true,
+  subdir: 'reproject/spherical_intersect',
+)
+
+subdir('tests')

reproject/spherical_intersect/tests/meson.build

@@ -0,0 +1,7 @@
+py.install_sources(
+  '__init__.py',
+  'test_high_level.py',
+  'test_overlap.py',
+  'test_reproject.py',
+  subdir: 'reproject/spherical_intersect/tests',
+)

reproject/tests/meson.build

@@ -0,0 +1,24 @@
+py.install_sources(
+  '__init__.py',
+  'helpers.py',
+  'test_array_utils.py',
+  'test_high_level.py',
+  'test_utils.py',
+  subdir: 'reproject/tests',
+)
+
+install_data(
+  'data/aia_171_level1.asdf',
+  'data/aia_171_level1.fits',
+  'data/cube.hdr',
+  'data/equatorial_3d.fits',
+  'data/galactic_2d.fits',
+  'data/gc_eq.hdr',
+  'data/gc_ga.hdr',
+  'data/generate_asdf.py',
+  'data/image_with_distortion_map.fits',
+  'data/mwpan2_RGB_3600.hdr',
+  'data/secchi_l0_a.fits',
+  'data/secchi_l0_b.fits',
+  install_dir: py.get_install_dir() / 'reproject/tests/data',
+)